/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.economy.web.action.collect;

import java.security.Principal;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import ar.uba.fi.posgrado.common.exception.MissingArgumentException;
import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.common.service.UserService;
import ar.uba.fi.posgrado.economy.exception.CollectRuleException;
import ar.uba.fi.posgrado.economy.model.Collect;
import ar.uba.fi.posgrado.economy.model.CollectType;
import ar.uba.fi.posgrado.economy.service.CollectService;
import ar.uba.fi.posgrado.economy.web.form.collect.CollectForm;

/**
 * Action que registra un cobro.<br>
 * 
 * @author nicolas.gonzalez
 * @see Action
 */
public class CreateCollectAction extends Action {

    /** Logger */
    private static Logger logger = Logger.getLogger(CreateCollectAction.class);
   
    private CollectService collectService;
    private UserService userService;
    
    /** IoC */
    public void setCollectService(CollectService collectService) {
        this.collectService = collectService;
    }
    
    /** IoC */
    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    /**
     * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @SuppressWarnings("unchecked")
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        if (logger.isDebugEnabled()) {
            logger.debug("A punto de intentar registrar un cobro ...");
        }
        CollectForm form = (CollectForm)actionForm;
        Long debtId = form.getDebtId();
        Long customerId = form.getDebtCustomerId();
        String collectTypeId = form.getCollectTypeSelected();
        CollectType collectType = this.collectService.getCollectTypeById(new Long(collectTypeId));
        boolean useAmountFromAccount = false;
        Double amountFromAccount = form.getAccountMaximumAvailable();
        if (amountFromAccount != -1) {
            useAmountFromAccount = true;
        }
        
        Collect collect = new Collect();
        collect.setCollectType(collectType);
        collect.setCode(form.getCode());
        collect.setDate(new Date());
        collect.setReason(form.getReason());
        collect.setValue(form.getValue());
        
        Principal ppal =  request.getUserPrincipal();
        String userName = ppal.getName();
        User user = this.userService.getUserByName(userName);
        collect.setUser(user);
        
        try {
            if (useAmountFromAccount) {
                this.collectService.create(collect, debtId, customerId, amountFromAccount);
            }
            else {
                this.collectService.create(collect, debtId, customerId);
            }
            // Solo checkea exceptions de negocio. Caso contrario va a la pagina de error directamente
        }
        catch (MissingArgumentException e) {
            logger.warn("Intentando registrar un cobro sin los campos obligatorios...");
            
            ActionMessages errors = new ActionMessages();
            errors.add("collect.missingArguments", new ActionMessage(e.getMessage(), false));
            saveErrors(request, errors);

            return mapping.getInputForward();
            
        }
        catch (CollectRuleException e) {
            logger.warn("Intentando registrar un cobro sin haber cumplido las reglas...");
            
            ActionMessages errors = new ActionMessages();
            errors.add("collect.rule", new ActionMessage(e.getMessage(), false));
            saveErrors(request, errors);

            return mapping.getInputForward();
        }
        // Se realizo el cobro exitosamente
        form.setCollectTypeSelected(collectType.getDescription());
        
        return mapping.findForward("success");
    }
    
    
}
